Explanation

Check the difference between terms:  

9 - 5 = 4  

17 - 9 = 8  

The difference is doubling: +4, +8  

Next difference should be +16

So: 17 + 16 = 33

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Explanation

• Chabahar Port is located in Iran.
• Province: Sistan and Baluchestan
• It is situated on the Gulf of Oman in southeastern Iran.
• Nearby Pakistani Port: Gwadar Port
• Main Purpose: Trade and access to Afghanistan and Central Asia

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Explanation

• Port Qasim was constructed to reduce the traffic burden on Karachi Port and increase Pakistan's trade capacity.
• It is Pakistan's second busiest seaport.
• The port handles imports, exports, and industrial cargo.
• It was developed to support the country's growing economy.
• It is located near Karachi in Sindh.

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Explanation

Father is 36 years older than son. 

So father's present age = x + 36 years

After 6 years:

Son's age = x + 6 years

Father's age = x + 36 + 6 = x + 42 years

Given: In 6 years, father's age will be 3 times the age of his son.

So, x + 42 = 3 * (x + 6)

Solve the equation:

x + 42 = 3x + 18

42 - 18 = 3x - x

24 = 2x

x = 12

Son's present age = 12 years

Father's present age = x + 36 = 12 + 36 = 48 years

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Explanation

Scale 1:50,000 means 1 cm = 50,000 cm.

6 cm = 6 × 50,000 cm = 300,000 cm = 3,000 m = 3 km.

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Explanation

Facing centre → Left = clockwise, Right = anti-clockwise

Given:  

1. A opposite E  

2. C opposite F  

3. B is immediate left of A → order clockwise: A, B  

4. D is second to the right of F → from F, 2 seats anti-clockwise = D  

5. G is immediate left of F → order clockwise: G, F  

6. G is not immediate neighbour of H  

Arrange clockwise:  

Place A. Then B is to its left → A, B  

Place G, F together → G, F  

From (4), D is 2 right of F  

From (1) and (2), A opp E and C opp F  

The arrangement that fits all is clockwise:  

A - B - D - G - F - H - E - C

Check:  

A opp E ✓, C opp F ✓, B left of A ✓, G left of F ✓, D 2nd right of F ✓, G and H not neighbours ✓  

Now, immediate right of F = 1 seat anti-clockwise from F = H

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Explanation

The original group of workers completes the job in 6 days, so together they do 1/6 of the job each day.

They work together for 3 days, so they complete 3 × 1/6 = 1/2 of the job. That means 1/2 of the job is still left.

The remaining workers finish this 1/2 job in 4.5 days, so their rate is (1/2) ÷ 4.5 = 1/9 of the job per day.

Originally the group did 1/6 per day, now they do 1/9 per day.  

The difference in rate is 1/6 − 1/9 = 1/18 of the job per day. This is the work that was lost each day because some workers left.

The remaining work took 4.5 days, so the total work lost = 1/18 × 4.5 = 1/4 of the job.

To express this as "days’ work of the original workforce", divide the lost work by the original daily rate:  

(1/4) ÷ (1/6) = 1.5 days

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Explanation

• Damage to the plasma membrane immediately disrupts osmosis and selective transport.
• The plasma membrane controls what enters and leaves the cell.
• Loss of selective permeability causes uncontrolled movement of water and substances.
• This disturbs the cell's internal balance (homeostasis).

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Explanation

Let the original weight of the solution = x kg

Acid present in original solution = 92% of x = 0.92x kg

Water is added. Only water is added, so the amount of acid remains the same.

Final weight of solution = 40 kg  

Final concentration of acid = 84%  

Acid present in final solution = 84% of 40 = 0.84 x 40 = 33.6 kg

Since acid remains the same:  

0.92x = 33.6  

x = 33.6 / 0.92  

x = 36.52 kg (approx)

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Explanation

Total persons = 14  

Number of engineers = 4  

Number of non-engineers = 14 - 4 = 10  

We have to select a committee of 2 persons.

Total number of ways to select 2 persons out of 14 = 14C2  

14C2 = (14 x 13) / (2 x 1) = 91

Number of ways to select 2 engineers out of 4 = 4C2  

4C2 = (4 x 3) / (2 x 1) = 6

Probability = Favorable outcomes / Total outcomes  

Probability = 6 / 91

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